start with <a href='http://tldp.org/HOWTO/Linux+IPv6-HOWTO/' target='_blank'>http://tldp.org/HOWTO/Linux+IPv6-HOWTO/</a> and later on with <a href='http://www.kame.net/' target='_blank'>http://www.kame.net/</a> documentation.

Or <a href='http://www.microsoft.com/windowsserver2003/technologies/ipv6/default.mspx' target='_blank'>http://www.microsoft.com/windowsserver2003...v6/default.mspx</a> if you are looking for microsoft-based solution(s).